Pith Number

pith:CIT6A2T6

pith:2019:CIT6A2T65SSKF3UQJ6BLTFP4F4

not attested not anchored not stored refs pending

Machine Learning for Geometrically-Consistent Angular Spread Function Estimation in Massive MIMO

Giuseppe Caire, Mahdi Barzegar Khalilsarai, Saeid Haghighatshoar, Yi Song

arxiv:1910.13795 v1 · 2019-10-30 · cs.IT · cs.LG · eess.SP · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIT6A2T65SSKF3UQJ6BLTFP4F4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:15:56.290172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1227e06a7eeca4a2ee904f82b995fc2f16ba76c9213ca7934f82c97f1e7ba136

Aliases

arxiv: 1910.13795 · arxiv_version: 1910.13795v1 · doi: 10.48550/arxiv.1910.13795 · pith_short_12: CIT6A2T65SSK · pith_short_16: CIT6A2T65SSKF3UQ · pith_short_8: CIT6A2T6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CIT6A2T65SSKF3UQJ6BLTFP4F4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1227e06a7eeca4a2ee904f82b995fc2f16ba76c9213ca7934f82c97f1e7ba136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977763cad4d22f083acd7981f6a2b240d8c84d0ef2f7c76c55cb23e50f74da16",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-10-30T12:18:51Z",
    "title_canon_sha256": "b4d9cead5c2dd9e882ef1c698f5276bad7d947e6f1e8375f64de9cd5b0bf5f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13795",
    "kind": "arxiv",
    "version": 1
  }
}